For the accent samples, set a negative Attenuation so they only become fully audible and bright at velocity 100+.
We recommend Plogue Sforzando . It’s free, highly stable, and converts the SF2 into a more modern format internally to ensure the best audio fidelity. orchestral essentials.sf2
However, I can for you in the form of a musical composition (sheet music/MIDI data) specifically designed to be played through the Orchestral Essentials.sf2 soundfont. The Unlikely Legacy of Orchestral Essentials